On 2009-01-03, James C. Sutherland wrote: >> Is there some way I could open a Lyx 1.6.X file with Lyx 1.5.X?
> You need to use 1.5.7, which can read 1.6.x files. If this is impossible, tell the co-author to save the files as 1.5.x via File>Export>Lyx1.5. Günter